The Realm of the Dead, the Catacombs of Paris or Catacombes de Paris are underground ossuaries in Paris, France. Halls and caverns of walls of carefully arranged bones and skulls of over 6 million people.

Entering the Realm of the Dead - the Catacombs of Paris or Catacombes de Paris are underground ossuaries in Paris, France. Halls and caverns of walls of carefully arranged bones and skulls of over 6 million people.

The Realm of the Dead, the Catacombs of Paris or Catacombes de Paris are underground ossuaries in Paris, France. Halls and caverns of walls of carefully arranged bones and skulls of over 6 million people.

The Realm of the Dead, the Catacombs of Paris or Catacombes de Paris are underground ossuaries in Paris, France. Halls and caverns of walls of carefully arranged bones and skulls of over 6 million people.